Base | Representation |
---|---|
bin | 11101001000100010111… |
… | …00010000011101111010 |
3 | 10112200210210201210121100 |
4 | 32210101130100131322 |
5 | 112400042110000442 |
6 | 2043510124352230 |
7 | 132215131416222 |
oct | 16442134203572 |
9 | 3480723653540 |
10 | 1001020000122 |
11 | 35659176a0aa |
12 | 1420076a5676 |
13 | 7351b6b91cc |
14 | 36641abd082 |
15 | 1b08b09884c |
hex | e91171077a |
1001020000122 has 24 divisors (see below), whose sum is σ = 2169989558100. Its totient is φ = 333502119360.
The previous prime is 1001020000117. The next prime is 1001020000133. The reversal of 1001020000122 is 2210000201001.
It can be written as a sum of positive squares in 2 ways, for example, as 941829489441 + 59190510681 = 970479^2 + 243291^2 .
It is a Harshad number since it is a multiple of its sum of digits (9).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14231779 + ... + 14301942.
Almost surely, 21001020000122 is an apocalyptic number.
1001020000122 is an abundant number, since it is smaller than the sum of its proper divisors (1168969557978).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1001020000122 is a wasteful number, since it uses less digits than its factorization.
1001020000122 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28535678 (or 28535675 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 9.
Adding to 1001020000122 its reverse (2210000201001), we get a palindrome (3211020201123).
The spelling of 1001020000122 in words is "one trillion, one billion, twenty million, one hundred twenty-two", and thus it is an aban number.
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